| Article# | Type | Article Title & Authors ( Volume 9 Number 4 (Apr. 2019)) | Page | 
| 1207 | Article | Ching-Yu Huang | 241 | 
| 1208 | Article | Wei Shi, Kosuke Kaneko, Chenguang Ma, and Yoshihiro Okada | 250 | 
| 1209 | Article | Mariah Park and Tea In Han | 257 | 
| 1210 | Article | Haya Shamir, Erik H. Yoder, David B. Pocklington, and Kathryn C. Feehan | 263 | 
| 1211 | Article | Nurul Nisa Omar and Yi Jun Phung | 268 | 
| 1212 | Article | Liang Yanbing | 274 | 
| 1213 | Article | Haya Shamir, Erik Yoder, David Pocklington, and Kathryn Feehan | 280 | 
| 1214 | Article | Thuy Thi Thanh Nguyen and Takashi Yukawa | 286 | 
| 1215 | Review | Lin Fang-Tzu and Lin Hui-Wen | 297 | 
| 1216 | Article | Fan Zhang | 302 | 
| 1217 | Article | Pek Foong Ng and Kung-Keat Teoh | 306 | 
| 1218 | Article | Shufen Liang, Hongwei Yue, Fangchen Yang, Yingying Fu, Chenfei Li, and Yihong He | 310 | 
| 1219 | Article | Chen Gangtian | 314 | 
 
                             